4-18
G650 Generator Protection & Control System
GEK-113285A
4.1 ENERVISTA 650 SETUP SOFTWARE INTERFACE 4 HUMAN INTERFACES. SETTINGS & ACTUAL VALUES
4
Table 4–10: PROTECTION ELEMENTS INCLUDED
PHASE
CURRENT
Phase TOC High
Phase time overcurrent, high level (51PH)
Phase TOC Low
Phase time overcurrent, low level (51PL)
Phase IOC High
Phase instantaneous overcurrent, high level (50PH)
Generator Thermal
Model
Thermal model or Thermal image unit for phases (49S)
NEUTRAL
CURRENT
Neutral TOC
Neutral time overcurrent (51N)
Neutral IOC
Neutral instantaneous overcurrent (50N)
Neutral Directional
Neutral directional unit (67N). Voltage, current and dual polarization.
GROUND
CURRENT
Ground TOC
Ground time overcurrent (51G)
Ground IOC
Ground instantaneous overcurrent (50G)
Ground Directional
Ground directional unit (67G). Voltage, current and dual polarization.
Restricted Gnd Fault
Restricted Ground Fault (87G).
Enhanced models only.
SENSITIVE
GROUND
CURRENT
Sensitive Ground TOC
Sensitive ground time overcurrent (51SG)Enhanced models only.
Sensitive Ground IOC
Sensitive ground instantaneous overcurrent (50SG). Enhanced models
only.
NEGATIVE
SEQUENCE
CURRENT
Negative Sequence
TOC
Negative sequence time overcurrent (51-2)
Negative Sequence
IOC
Negative sequence instantaneous overcurrent (50-2)
Generator Unbalance
Generator current unbalance (46)
VOLTAGE
ELEMENTS
Phase UV
Phase undervoltage (27P)
Phase OV
Phase overvoltage (59P)
Neutral OV High
Neutral overvoltage, high level (59NH)
Negative Sequence
OV
Negative sequence overvoltage (47). Phase reversal
Auxiliary OV
Auxiliary overvoltage (59X)
Auxiliary UV
Auxiliary undervoltage (27X)
Volts per Hertz
Volts per Hertz (24). Enhanced models only.
Ground OV
Ground Overvoltage (59G)
POWER
Directional Power
Directional power (32), in primary values.
Pwr Factor Limiting
Power Factor Limiting (55). Enhanced models only.
Summary of Contents for Multilin G650
Page 9: ...8 G650 Generator Protection Control System GEK 113285A TABLE OF CONTENTS ...
Page 426: ...GEK 113285A G650 Generator Protection Control System A 31 APPENDIX A A 1 LOGIC OPERANDS A ...
Page 427: ...A 32 G650 Generator Protection Control System GEK 113285A A 1 LOGIC OPERANDS APPENDIXA A ...
Page 587: ...C 22 G650 Generator Protection Control System GEK 113285A C 8 ANALOG INPUTS APPENDIXC C ...
Page 639: ...G 2 G650 Generator Protection Control System GEK 113285A G 1 GE MULTILIN WARRANTY APPENDIXG G ...